Mock orange

Philadelphus argenteus - Silver Mockorange
Philadelphus argyrocalyx - Silver-Cup Mockorange
Philadelphus californicus - California mock orange
Philadelphus caucasicus - Caucasus mockorange
Philadelphus confusus - Piper's mock orange
Philadelphus cordifolius - Heartleaf mock orange
Philadelphus coronarius - Sweet mock orange
Philadelphus crinitus - Hairy or TransPecos mock orange
Philadelphus ernestii - Canyon mock orange
Philadelphus floridus - Florida mock orange
Philadelphus gattingeri - Gattinger's mock orange
Philadelphus hirsutus - Streambank mock orange
Philadelphus hitchcockianus - Hitchcock mockorange
Philadelphus inodorus - Scentless mock orange
Philadelphus insignis - Summer mock orange
Philadelphus karwinskianus - Evergreen mock orange
Philadelphus lewisii - Lewis' mock orange
Philadelphus maculatus - Spotted mock orange
Philadelphus madrensis - Desert mountain mock orange
Philadelphus mearnsii - Mearns' mock orange
Philadelphus microphyllus - Littleleaf mock orange
Philadelphus occidentalis - Western mock orange
Philadelphus oreganus - Oregon mock orange
Philadelphus palmeri - Palmer's mock orange
Philadelphus pubescens - hoary mock orange
Philadelphus pumilus - dwarf mock orange
Philadelphus serpyllifolius - littleleaf or thymeleaf mockorange
Philadelphus sharpianus - Sharp's mock orange
Philadelphus texensis - Texas mock orange
Philadelphus tomentosus - fuzzy mock orange
Philadelphus trichothecus - Columbian mock orange
Philadelphus wootonii - Wooton's mock orange
Philadelphus zelleri - Zeller's mock orange

Philadelphus hirsutus - Streambank Mockorange
Philadelphus inodorus - Scentless Mockorange
Philadelphus intectus - Mockorange
Philadelphus lewisii - Lewis' Mockorange
Philadelphus microphyllus - Littleleaf Mockorange
Philadelphus sharpianus - Sharp's Mockorange

Sources: saxifrag (http://www.bartleby.com/65/sa/saxifrag.html)
ITS 24418 (http://www.itis.usda.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=24418) 2003-06-29